Chevrolet Silverado 3500 2020–2023 — technical service bulletin
Bulletin PIT5732C · NHTSA communication 10232839 · issued Feb 27, 2023
Technical service bulletin
communication type
Structure
component
2020–2023
model years
8
vehicle entries
Official summary
This Preliminary information provides information to the technician on relocating the DEF tank to install a service body. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 156. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.